|
US1937580A
|
|
Gas making apparatus
|
|
US1964293A
|
|
Manufacture of carbureted water gas
|
|
US1948472A
|
|
Carbonization process
|
|
US1944749A
|
|
Carbonization apparatus
|
|
US1920941A
|
|
Process for recovering gasoline and other hydrocarbon liquids from natural gas
|
|
US1896799A
|
|
Apparatus for manufacturing combustible gas
|
|
US1840403A
|
|
Manufacture of combustible gas and carbonized fuel
|
|
US1826007A
|
|
Apparatus for manufacturing combustible gas
|
|
US1768945A
|
|
Coke and ash discharging apparatus
|
|
US1837226A
|
|
Manufacture of fuel gas
|
|
US1785519A
|
|
Manufacture of combustible gas
|
|
US1666744A
|
|
Gas-absorption apparatus
|
|
US1460067A
|
|
Coke-discharging apparatus
|
|
US1615878A
|
|
Door-closing device
|
|
US1381714A
|
|
Calorimeter
|
|
US1541514A
|
|
Process of and apparatus for recovering gasoline or other hydrocarbon liquids from natural gas
|
|
US1490469A
|
|
Process of and apparatus for making gas black
|
|
US1354568A
|
|
Gas-calorimeter
|
|
US1367879A
|
|
Thermometer-reader
|
|
US1328380A
|
|
Refractory lining
|
